Krieg-Brückner, B., & Hoffmann, B. (1993). Program development by specification and transformation: The PROSPECTRA methodology, language family, and system. Springer-Verlag.
Cita Chicago (17th ed.)Krieg-Brückner, B., i Berthold Hoffmann. Program Development by Specification and Transformation: The PROSPECTRA Methodology, Language Family, and System. Berlin ; New York: Springer-Verlag, 1993.
Cita MLA (8th ed.)Krieg-Brückner, B., i Berthold Hoffmann. Program Development by Specification and Transformation: The PROSPECTRA Methodology, Language Family, and System. Springer-Verlag, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.